LEDs

The following table displays LED information.

LED

Description

PWR

Green indicates that the IO-Link Master is powered.

MS

(Module Status)

  • Steady Off = No module status

  • Flashing green and red = Self-test

  • Flashing green = Standby รป not configured

  • Steady green = Operational

  • Flashing red  = Minor recoverable fault

  • Steady red = Major unrecoverable fault

NET

(Network)

  • Steady Off  = No power, no IP address

  • Flashing green and red = Self-test

  • Flashing green = An IP address is configured, but no CIP connections are established, and an Exclusive Owner connection has not timed out.

  • Steady green = Active EtherNet/IP connection and no EtherNet/IP connection timeouts

  • Flashing red = One or more EtherNet/IP connection timeouts

  • Steady red = Duplicate IP address on network

Port 1-4

This LED provides the following information about the IO-Link port.

  • Off: SIO mode - signal is low or disconnected.

  • Yellow: SIO mode - signal is high.

  • Red: Hardware fault.

  • Solid Green: An IO-Link device is connected and communicating.

  • Blinking Green: Searching for IO-Link devices.

Port 1-4

DI

This LED indicates digital input on Pin 2

  • Off: DI signal is low or disconnected.

  • Yellow: DI signal is high.

EIP

Green lit LED = Link

Green blinking LED = Activity